/*
Assignment 1
Class ID        : SE0691
Group           : 1
Due Date        : 20 November 2012
I declare that this assignment is my own work
in accordance with FPT Policy.
*/
package edu.fpt.servlet;

import edu.fpt.dal.ApartmentDAL;
import edu.fpt.dal.RequestServicesDAL;
import edu.fpt.dal.UsersDAL;
import edu.fpt.hib.Apartment;
import edu.fpt.hib.Users;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author Admin
 */
public class DeleteUserServlet extends HttpServlet {

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            /* TODO output your page here. You may use following sample code. */
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet DeleteUserServlet</title>");
            out.println("</head>");
            out.println("<body>");
            String userid = request.getParameter("userid");

            Apartment apart = ApartmentDAL.getApartmentByUserHQL(userid);
            if(apart!=null){
            try {
                apart.setApartStatus("Avai");
                apart.setBillStatus(null);
                apart.setIsOwn(null);
                apart.setUsingServices(null);
                apart.setUsers(null);
                apart.setElectricNum(0);
                apart.setWaterNum(0);
                ApartmentDAL.update(apart);
                RequestServicesDAL.deleteByUsers(userid);
                UsersDAL.delete(userid);
                response.sendRedirect("admin/user.jsp");
            } catch (Exception e) {
                out.println(e.getMessage());
            }}
            else{
                try {
                RequestServicesDAL.deleteByUsers(userid);
                UsersDAL.delete(userid);
                response.sendRedirect("admin/user.jsp");
            } catch (Exception e) {
                out.println(e.getMessage());
            }
            }


            out.println("</body>");
            out.println("</html>");
        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
